IDXX fund manager activity

IDEXX LABORATORIES INC · US. Reported by 16 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.

Q2 2026

Manager	Activity	Shares	Value	% of portfolio	Filed
Ron Baron - Baron Capital	Added	1,976,778	$1,040,655,010	1.56%	Aug 14, 2026
Ken Fisher - Fisher Asset Management	Sold out	—	—	0.00%	Aug 4, 2026
Terry Smith - Fundsmith	Trimmed	1,019,887	$536,909,312	3.93%	Aug 14, 2026
Jeremy Grantham - GMO	Sold out	—	—	0.00%	Aug 13, 2026
Joel Greenblatt - Gotham Asset Management	Trimmed	47,154	$24,823,752	0.06%	Aug 14, 2026
Jensen Investment Management	Added	105,709	$55,649,446	1.35%	Aug 7, 2026
Mairs & Power Funds	No change	2,080	$1,094,995	0.01%	Aug 14, 2026
Bill Nygren - Oakmark Funds	Trimmed	455	$239,530	0.00%	Aug 14, 2026
Polen Capital Management	Trimmed	532,384	$280,268,269	2.41%	Aug 4, 2026
Wallace Weitz - Weitz Investment Management	No change	35,300	$18,583,332	1.29%	Aug 12, 2026

Manager	Activity	Shares	Value	% of portfolio	Filed
Ron Baron - Baron Capital	Trimmed	1,633,367	$917,772,584	2.77%	May 15, 2026
Ken Fisher - Fisher Asset Management	Added	599	$337,080	0.00%	May 5, 2026
Terry Smith - Fundsmith	Trimmed	1,465,786	$823,610,496	6.42%	May 15, 2026
Jeremy Grantham - GMO	Added	2,613	$1,468,219	0.00%	May 14, 2026
Joel Greenblatt - Gotham Asset Management	Added	80,477	$45,219,222	0.14%	May 15, 2026
Jensen Investment Management	No change	3,570	$2,005,947	0.04%	May 5, 2026
Mairs & Power Funds	Trimmed	2,080	$1,168,731	0.01%	May 14, 2026
Bill Nygren - Oakmark Funds	Added	482	$270,831	0.00%	May 15, 2026
Polen Capital Management	Trimmed	695,811	$390,969,243	2.70%	May 14, 2026
Wallace Weitz - Weitz Investment Management	No change	35,300	$19,834,717	1.38%	May 14, 2026